System Manual Appendix A. Glossary
76.7300FP11/2, Rev A 8/09 Page 2-123
NE Network Element
NEBS Network Equipment Building Standards
NID Network Interface Device
NPU Network Processing Unit
NTU Network Terminating Unit
OTN Optical Transport Network
OAM Operations, Administration, and Maintenance
OAMPDU OAM Payload Data Unit See also OAM.
OUI Organizationally Unique Identifier
PBS Peak Burst Size
PCB Provider Core Bridge
PCEP Proprietary Customer Edge Port
PCNP Proprietary Customer Network Port
PCP Priority Code Point
PDP Power Distribution Panel
PDU Protocol Data Unit
PEB Provider Edge Bridge
PEP Provider Edge Port
PCEP Proprietary Customer Edge Port
PCNP Proprietary Customer Network Port
PCP Priority Code Point
PDP Power Distribution Panel
PEP Provider Edge Port
PHY Physical
PIR Peak Information Rate
PM Performance Monitoring
PNP Provider Network Port
port-channel Same as Link Aggregation Group port (LAG). Also
refer to etherchannel.
PPNP Proprietary Provider Network Port Same as Q-in-Q Port.
PPS Packets Per Second - A unit of measuring the
throughput of a packet-based system.
PSS Packet Switched Service
Table A.1 Glossary (Continued)
Acronym/Term Definition Additional Information
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